Flora of North America species comparison

mostly cauline; opposite;

petioles 0–1 mm, ciliate or not;

blades lance-linear to linear or filiform, 20–45(–60) × 1–2(–3+) mm, rarely with 1–2 lateral lobes.

basal and cauline on proximal 1/4–1/2 of plant heights;

petioles 1–6(–10+) cm;

blades simple or with 1–2+ lateral lobes, simple blades or terminal lobes suborbiculate or ovate-elliptic to lance-ovate, 15–55(–75) × 9–25(–35) mm.

2–4(–6+) cm.

8–20+ cm.

pinkish to white, 9–15+ mm.

yellow, 15–20+ mm.

40–60+;

corollas ochroleucous to yellow, 2.5–3 mm.

3.5–4.5 mm, apices yellow.

deltate-ovate, 4.5–5.5 mm.

lance-deltate to lance-ovate, 9–12 mm.

of oblong to linear bractlets 1.5–2+ mm.

of ovate to oblong bractlets 5–10+ mm.

narrowly oblong, 1.3–1.8 mm, not winged;

pappi 0.

1.5–2.5 mm, wings 0 or involute and ± corky.

(± mid stem) 1–4(–5+) cm.

nodes proximal to first peduncle usually 1–2(–3), distalmost 1–3 internodes 1–4(–8+) cm.

= 26.

= 26.